Match log updated: 2026-07-25 16:50 UTC
Denis Istomin — ATP Match Log
3 main-draw matches · 0–3 · 0.0% wins
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Filip Krajinovic | 4-6 2-6 | L | H2H | Match data | Nov 10, 2021* | R32 | Stockholm Open | ATP 250 | Hard |
| Jozef Kovalik | 6-4 7-5 | W | H2H | Match data | Nov 7, 2021* | Q2 | Stockholm Open | ATP 250 | Hard |
| Jonathan Mridha | 2-6 6-3 6-4 | W | H2H | Match data | Nov 7, 2021* | Q1 | Stockholm Open | ATP 250 | Hard |
| Jurij Rodionov | 4-6 2-6 | L | H2H | Match data | Oct 18, 2021 | Q1 | Moscow | ATP 250 | Hard |
| Ernesto Escobedo | 3-6 2-6 | L | H2H | Match data | Oct 7, 2021* | Q1 | Indian Wells Open | Masters 1000 | Hard |
| Philipp Kohlschreiber | 5-7 3-6 | L | H2H | Match data | Sep 20, 2021 | Q1 | Metz | ATP 250 | Hard |
| J.J. Wolf | 5-7 2-6 | L | H2H | Match data | Aug 30, 2021 | Q1 | US Open | Grand Slam | Hard |
| Sumit Nagal | 4-6 7-6(6) 4-6 | L | H2H | Match data | Jul 26, 2021* | R64 | Tokyo Olympics | Olympics | Hard |
| Lukas Klein | 3-6 6-2 4-6 | L | H2H | Match data | Jun 20, 2021* | Q2 | Mallorca Championships | ATP 250 | Grass |
| Roberto Ortega-Olmedo | 4-6 7-5 7-6(5) | W | H2H | Match data | Jun 20, 2021* | Q1 | Mallorca Championships | ATP 250 | Grass |
| Roger Federer | 2-6 4-6 3-6 | L | H2H | Match data | Jun 1, 2021* | R128 | Roland Garros | Grand Slam | Clay |
| Tobias Kamke | 6-4 7-6(5) | W | H2H | Match data | May 31, 2021 | Q3 | Roland Garros | Grand Slam | Clay |
| Ramkumar Ramanathan | 6-1 6-2 | W | H2H | Match data | May 31, 2021 | Q2 | Roland Garros | Grand Slam | Clay |
| Damir Dzumhur | 2-6 6-2 6-1 | W | H2H | Match data | May 30, 2021* | Q1 | Roland Garros | Grand Slam | Clay |
| Lorenzo Giustino | 1-6 1-6 | L | H2H | Match data | Jan 10, 2021 | Q1 | Doha Aus Open Qualies | Grand Slam | Hard |
12 qualifying matches shown in the table; qualifying is excluded from main-draw summaries and leaderboards. Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.